Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 44,217	$ 41,637
Accounts receivable, net of allowance for doubtful accounts of $52 and $83 at March 31, 2018 and June 30, 2017, respectively	101,400	76,341
Unbilled receivables and costs in excess of billings	40,177	37,332
Inventory	117,075	81,071
Prepaid income taxes	2,487	1,434
Prepaid expenses and other current assets	7,802	8,381
Total current assets	313,158	246,196
Property and equipment, net	51,291	51,643
Estimated fair value of goodwill	499,292	380,846
Intangible assets, net	186,391	129,037
Other non-current assets	6,814	8,023
Total assets	1,056,946	815,745
Current liabilities:
Accounts payable	32,857	27,485
Accrued expenses	16,655	20,594
Accrued compensation	20,288	18,406
Deferred revenues and customer advances	9,537	6,360
Total current liabilities	79,337	72,845
Deferred income taxes	14,161	4,856
Income taxes payable	855	855
Long-term debt	195,000	0
Other non-current liabilities	11,797	11,772
Total liabilities	301,150	90,328
Commitments and contingencies (Note M)
Shareholders' equity:
Preferred stock, $0.01 par value; 1,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value; 85,000,000 shares authorized; 46,840,575 and 46,303,075 shares issued and outstanding at March 31, 2018 and June 30, 2017, respectively	468	463
Additional paid-in capital	584,855	584,795
Retained earnings	169,867	139,085
Accumulated other comprehensive income	606	1,074
Total shareholders' equity	755,796	725,417
Total liabilities and shareholders' equity	$ 1,056,946	$ 815,745